CH391065A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Distance protection for three-phase networks
Assignee: Asea Ab
•
Filing: 1961-01-31
•
Granted: —
•
Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 Oeberg Ivan
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 08:43
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/38; H02H3/382; H02H1/00; H02H1/0038
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.